Struct InstanceResourceCatalog 

pub struct InstanceResourceCatalog { /* private fields */ }

Immutable Instance-to-resource-snapshot mapping injected by the Generation Supervisor.

Implementations

impl InstanceResourceCatalog

pub fn new() -> Self

Creates an empty catalog.

pub fn with_resources( self, instance_key: impl Into<String>, resources: InstanceResources, ) -> Result<Self, RuntimeFailure>

Adds one exact Instance snapshot and rejects duplicate authority.

pub fn for_instance(&self, instance_key: &str) -> &InstanceResources

Returns the selected snapshot or an immutable empty snapshot.

pub fn iter(&self) -> impl Iterator<Item = (&str, &InstanceResources)>

Iterates selected Instance snapshots in deterministic order.

Trait Implementations

impl Clone for InstanceResourceCatalog

fn clone(&self) -> InstanceResourceCatalog

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for InstanceResourceCatalog

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for InstanceResourceCatalog

fn default() -> InstanceResourceCatalog

Returns the “default value” for a type.